Another busy workday at the office is drawing to a close. You’ve spent the past 3 hours hunched over in front of your desk, leaning in and squinting intently at figures on your computer screen. As you get up from your chair, a sharp pain radiates from the base of your skull, down through your neck, and on into your arms. Your left hand feels a bit numb and as you stand up you notice a dull ache and tightness in your neck muscles. Now that you’ve disengaged your gaze from the computer screen, you realize that a headache has come on; something that you’ve dealt with more frequently nowadays.